Airbag covers are typically injection moulded thermoplastic elastomer (TPE). The material must be robust enough to withstand daily use, but able to breakaway in a controlled manner when the airbag is deployed.
A Fraunhofer ICT concept for expanded polylactic acid (EPLA) foam safety helmet. EPLA is roughly equivalent to the price of expanded polypropylene (EPP), but more expensive than expanded polystyrene (EPS).
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